• Keita Tagami, Shih-Wei Chiu, Kazuhiro Kosugi, Hiroto Ishiki, Yusuke Hiratsuka, Masaki Shimizu, Masanori Mori, Emi Kubo, Tomoo Ikari, Sayaka Arakawa, Tetsuya Eto, Mayu Shimoda, Hideyuki Hirayama, Kaoru Nishijima, Kota Ouchi, Tatsunori Shimoi, Tomoko Shigeno, Takuhiro Yamaguchi, Mitsunori Miyashita, Tatsuya Morita, Akira Inoue, and Eriko Satomi.
• Department of Palliative Medicine (K.T., Y.H., T.I., A.I.), Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan. Electronic address: keita.tagami.d7@tohoku.ac.jp.
• J Pain Symptom Manage. 2024 Jan 1; 67 (1): 2738.e127-38.e1.

ContextCancer pain is a common complication that is frequently undertreated in patients with cancer.ObjectivesThis study is aimed at assessing the time needed to achieve cancer pain management goals through specialized palliative care (SPC).MethodsThis was a multicenter, prospective, longitudinal study of inpatients with cancer pain who received SPC. Patients were continuously followed up until they considered cancer pain management successful, and we estimated this duration using the Kaplan-Meier method. We investigated the effectiveness of pain management using multiple patient-reported outcomes (PROs) and quantitative measures, including pain intensity change in the Brief Pain Inventory. A paired-sample t-test was used to compare the pain intensity at the beginning and end of the observation period.ResultsCancer pain management based on the PROs was achieved in 87.9% (385/438) of all cases. In 94.5% (364/385) of these cases, cancer pain management was achieved within 1 week, and the median time to pain management was 3 days (95% confidence interval [CI], 2-3). The mean worst pain intensity in the last 24 h at the start and end of observation were 6.9 ± 2.2 and 4.0 ± 2.3, respectively, with a difference of -2.9 (95% CI, -3.2 to -2.6; p < 0.01). Overall, 81.6% of the patients reported satisfaction with cancer pain management, and 62 adverse events occurred.ConclusionSPC achieved cancer pain management over a short period with a high level of patient satisfaction resulting in significant pain reduction and few documented adverse events.Copyright © 2023 American Academy of Hospice and Palliative Medicine. Published by Elsevier Inc. All rights reserved.

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